TED Talks
TED: How business leaders can renew democracy | Daniella Ballou-Aares
How much should business leaders speak out about threats to democracy? It's a question many corporations are wrestling with these days. Business and democracy leader Daniella Ballou-Aares shows why companies have both the ability and the...
PBS
The Extreme Hyenas That Didn't Last
Hyenas weren’t always able to eat bones. In fact, only a few million years ago, they lived very different lives.
PBS
2 out of 3 North American bird species face extinction. Here’s how we can save them
As the climate crisis worsens, so does pressure on wildlife. The number of birds in North America has declined by 3 billion in the last 50 years. Brooke Bateman, director of climate science at the National Audubon Society, joins Ali...
Crash Course
21st Century Challenges: Crash Course European History
The 21st century brought a whole new host of challenges to the world, and Europe was no exception. In this video you'll learn about how an increasingly connected and complex world led to some pretty deep rifts in countries across the...
TED Talks
Chuck Plunkett: When local news dies, so does democracy
Nearly 1,800 newsrooms have shuttered across the US since 2004, leaving many communities unseen, unheard and in the dark. In this passionate talk and rallying cry, journalist Chuck Plunkett explains why he rebelled against his employer...
SciShow
Why Is Sperm Count Dropping?
Sperm count in Western countries has been dropping for over a hundred years, and scientists have some ideas as to what’s behind this swimmer shortage.
SciShow
Coming Soon: 12 Billion People on Earth
SciShow News explains the science behind the latest virus outbreak in the U.S., and examines surprising new predictions about the future of the world’s human population.
SciShow
North Americas Lost Parrot
When you picture a parrot, you probably don’t picture Denver, but up until about a century ago, the United States was home to its very own species of parrot: the Carolina parakeet. What happened to this endemic bird?
Crash Course
Shirley Chisholm: Crash Course Black American History #43
In 1972, Shirley Chisholm ran for president of the United States of America as a Democrat. She didn't win, but this was not the beginning or the end of her career in politics. She held a congressional seat in the New York delegation for...
TED Talks
John McWhorter: Txtng is killing language. JK!!!
Does texting mean the death of good writing skills? John McWhorter posits that there’s much more to texting -- linguistically, culturally -- than it seems, and it’s all good news.
TED Talks
Jane Fonda: Life's third act
Within this generation, an extra 30 years have been added to our life expectancy -- and these years aren't just a footnote. Jane Fonda asks how we can re-imagine this new phase of our lives.
SciShow
3 Animals That Are Smarter Than You Thought
Dolphins, crows, apes -- you know the drill about smart animals. But there are lots of animals that are smarter than you think. Not everyone thinks they're pretty, but scientists know they're smart.
SciShow
You Read More Slowly As You Get Older — Here's Why
Researchers have noticed a decline in reading ability starting in your 40s. And learning more about why this happens might help us tell the difference between healthy aging and Alzheimer’s disease.
TED-Ed
TED-Ed: Why do our bodies age? - Monica Menesini
Human bodies aren't built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body's efforts to stay alive? Monica Menesini details the nine physiological traits that...
TED Talks
TED: How labor unions shape society | Margaret Levi
The weekend. Social Security. Health insurance. What do these things have in common? They all exist thanks to the advocacy of labor unions. Political economist Margaret Levi explains how these organizations forge equality and protect...
Crash Course
How Populations Grow and Change: Crash Course Geography
Is the world overpopulated or underpopulated? While we worry about there being too many people for the planet to support, we can also worry about how fewer people in a given place may affect the economy, what may happen when there are...
Crash Course
Conservation and Restoration Ecology: Crash Course Ecology
Hank wraps up the Crash Course on ecology by taking a look at the growing fields of conservation biology and restoration ecology, which use all the kung fu moves we've learned about in the past eleven weeks and apply them to protecting...
Crash Course
Medieval Europe: Crash Course European History
Our European history is going to start around 1500 with the Renaissance, but believe it or not, that is not the actual beginning of history in the continent. So, today, we're going to teach you the broad outlines of the so-called Middle...
TED-Ed
TED-ED: Population pyramids: Powerful predictors of the future - Kim Preshoff
Population statistics are like crystal balls -- when examined closely, they can help predict a country's future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps...
Curated Video
Battle of the Three Kings, 1578 AD (Part 1/2) Portugal launches a Crusade against Morocco
Battle of the Three Kings, 1578 AD (Part 1/2) Portugal launches a Crusade against Morocco
Curated Video
What Happens When Demographics Change Forever?
Our demographics look different than they did even seventy years ago. People are choosing to have less children, which leads to an aging population that could strain social services and deal a blow to the economy. But isn’t slower...
Curated Video
Half-life
Originally used in relation to radioactivity, describing the time required for half the atoms of a radioactive substance to decay. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Rural Deprivation
Rural deprivation is when rural areas suffer a lack of resources, amenities or jobs. This can have a widespread effect on the economic status of these areas and the development of a country as a whole. Human Geography - Orientation And...
Curated Video
Butler's Tourism Model
Butler's Tourism Model can be applied to any tourist resort to show six key stages of development. Discover how Blackpool, in the UK, has progressed over the past few hundred years. And how it may be entering a new seventh phase. Human...